13 53 332 Replacing fuel feed line

Overview of Activities 

Preprocesses 

1. Remove battery cover. See  1.
2. Disconnect battery earth lead. See  2.
3. Remove left microfilter housing cover. See  3.
4. Remove acoustic cover. See  4.
5. Remove left engine bulkhead. See  5.
6. Remove left tension strut on spring strut dome. See  6.
7. Remove left intake silencer housing. See  7.
8. Remove intake port on left and right. See  8.
9. Remove left charge air line. See  9.
10. Remove right charge-air line. See  10.
11. Remove clean air pipe on left and right. See  11.

    Keyprocesses 

12. Remove fuel delivery line. See  12.
13. Installing fuel delivery line. See  13.

    Postprocesses 

14. Installing the clean air pipe on the left and right. See  14.
15. Install left charge air line. See  15.
16. Install right charge air line. See  16.
17. Installing the left and right intake port. See  17.
18. Install left intake silencer housing. See  18.
19. Connect battery earth lead. See  19.
20. Check function of DME. See  20.
21. Check fuel system for tightness. See  21.
22. Install the left tension strut on the spring strut dome. See  22.
23. Install left engine bulkhead. See  23.
24. Installing left microfilter housing cover. See  24.
25. Install acoustic cover. See  25.
26. Installing the battery cover. See  26.

Additional Information 

Overview of Tightening Torques 

Overview Special Tool 

0 496 565 (13 5 160) Fastener 

Fig 1: Identifying Fastener (13 5 160)

Courtesy of BMW OF NORTH AMERICA, INC.

Preprocesses 

1. Remove battery cover 
   • Open the luggage compartment floor trim panel.
   • Loosen screws (1)  .
   • Remove battery cover upwards.
     Fig 2: Identifying Battery Cover Screws

     Courtesy of BMW OF NORTH AMERICA, INC.
2. Disconnect battery earth lead 

   Prerequisite 

   Ignition switched off.

   • Slacken nut (1)  .
     NOTE: Risk of damage! Do not under any circumstances pull or lever off intelligent battery sensor from battery by force.
   • Remove intelligent battery sensor (2) from battery and secure to side.
     Fig 3: Identifying Intelligent Battery Sensor

     Courtesy of BMW OF NORTH AMERICA, INC.
3. Remove left microfilter housing cover 
   • Pull off edge protection (1)  in working area.
   • Unlock screw caps (2)  and remove microfilter housing cover.
     Fig 4: Identifying Microfilter Housing Cover And Screw Caps

     Courtesy of BMW OF NORTH AMERICA, INC.
4. Remove acoustic cover 
   • Raise acoustic cover (1)  .
   • Remove acoustic cover (1)  in the direction of travel.
     Fig 5: Identifying Acoustic Cover

     Courtesy of BMW OF NORTH AMERICA, INC.
5. Remove left engine bulkhead 
   • Remove gasket (1)  for engine compartment lid.
   • Loosen screws (2)  and (4)  .
   • Feed out units compartment partition wall in the middle (3)  .
     Fig 6: Identifying Engine Compartment Lid Gasket

     Courtesy of BMW OF NORTH AMERICA, INC.
   • Loosen expanding rivet (1)  .
   • Loosen screws (2)  and (4)  .
   • Unclip access line (3)  .
   • Feed out units compartment partition wall, left (5)  .
     Fig 7: Identifying Left Engine Bulkhead And Down Screws

     Courtesy of BMW OF NORTH AMERICA, INC.
6. Remove left tension strut on spring strut dome 
   NOTE: Description is for right component only. The procedure on the left component is identical.
   • Loosen screws (1)  .
   • Remove tension strut (2)  .
     Fig 8: Identifying Tension Strut And Screws

     Courtesy of BMW OF NORTH AMERICA, INC.
7. Remove left intake silencer housing 
   • Loosen clamps (1)  .
   • Disconnect connector (2)  at the hot film air mass meter.
   • Release clamp (3)  .
   • Pull off intake silencer housing from the top.
     Fig 9: Removing Left Intake Silencer Housing

     Courtesy of BMW OF NORTH AMERICA, INC.
8. Remove intake port on left and right 
   • Remove expanding rivet (1)  .
   • Remove air intake hose (2)  upwards.
     Fig 10: Removing Air Intake Hose

     Courtesy of BMW OF NORTH AMERICA, INC.
     NOTE: Description is for left component only. Procedure on the right side is identical.
   • Push in latch mechanism (1)  .
   • Pull off air intake hose (2)  in direction of travel.
     Fig 11: Pushing Latch Mechanism

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9. Remove left charge air line 
   • Unfasten clamp (1)  .
   • Unfasten clamp (2)  .
   • Remove left charge air duct (3)  .
     Fig 12: Identifying Left Charge Air Line And Clamp

     Courtesy of BMW OF NORTH AMERICA, INC.
10. Remove right charge-air line 
    • Unfasten clamp (1)  .
    • Unfasten clamp (2)  .
    • Remove right charge air line (3)  .
      Fig 13: Identifying Right Charge Air Line And Clamps

      Courtesy of BMW OF NORTH AMERICA, INC.
11. Remove clean air pipe on left and right 
    NOTE: Description is for left component only. Procedure on the right side is identical.
    • Pull off hoses (1)  from clean air pipe.
    • Release screw (2)  .
    • Pull off clean air pipe (3)  in direction of travel from turbocharger.
      Fig 14: Identifying Clean-Air Pipe And Screw

      Courtesy of BMW OF NORTH AMERICA, INC.

    Keyprocesses 

12. Remove fuel delivery line 
    WARNING: Danger of injury on releasing high pressure line!
    On releasing high pressure line, fuel may emerge at high speed.

    • Observe warning on cylinder head cover! Carry out installation work on fuel system only at a coolant temperature below 40°C! Wear full face guard and protective gloves.
    NOTE: Risk of damage! Do not allow any dirt particles or foreign bodies to get into the system. Remove all traces of contamination before removing lines or separate components. Use only lint-free cloths. Seal all fuel system openings with protective caps or plugs. Introduced contaminants can cause malfunctions in the system.
    • Unlock and disconnect fuel delivery line (1).
    • Unlock connector (2) on fuel low-pressure sensor and disconnect.
    • Loosen fuel delivery line (3) on high pressure pump.
    • Unfasten screws (4).
    • Catch and dispose of escaping fuel.
      Fig 15: Identifying Fuel Delivery Line On High-Pressure Pump And Screws

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    • Seal fuel lines (1) and (2) with special tool (1) 0 496 565 (13 5 160)  .
      Fig 16: Identifying Seal Fuel Lines With Special Tools (13 5 160)

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    • Loosen fuel delivery line (1) on high pressure pump.
    • Catch and dispose of escaping fuel.
      Fig 17: Identifying Fuel Delivery Line On High-Pressure Pump

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    • Loosen nuts (1) on retaining clips.
    • Feed out and remove fuel feed line (2).
      Fig 18: Identifying Fuel Feed Line And Nuts

      Courtesy of BMW OF NORTH AMERICA, INC.
13. Installing fuel delivery line 
    • Feed in and position fuel delivery line (2).
    • Manually tighten nuts (1) on the retaining clips.
      Fig 19: Identifying Fuel Delivery Line And Nuts

      Courtesy of BMW OF NORTH AMERICA, INC.
    • Remove special tool (1) and (2) 0 496 565 (13 5 160)  .
      Fig 20: Identifying Seal Fuel Lines With Special Tools (13 5 160)

      Courtesy of BMW OF NORTH AMERICA, INC.
    • Connect and lock fuel delivery line (1).
    • Connect connector (2) to fuel low-pressure sensor.
    • Manually tighten screws (4) on cylinder head.
    • Manually tighten fuel delivery line (3) to high pressure pump.
      Fig 21: Identifying Fuel Delivery Line On High-Pressure Pump And Screws

      Courtesy of BMW OF NORTH AMERICA, INC.
    • Manually tighten fuel delivery line (1) to high pressure pump.
    • Tighten fuel delivery line (1) to high pressure pump.
      TIGHTENING TORQUE SPECIFICATIONS
      
      

      Feed line to high pressure pump, cylinder head, retaining clip
      M14, feed line to high pressure pump	Initial torque	10 Nm
      Manually tighten feed line to high pressure pump, cylinder head and retaining tab or loosen beforehand.	Final torque (retorque twice)	30 Nm
      M6, feed line to cylinder head	Final torque	10 Nm
      Manually tighten feed line to high pressure pump, cylinder head and retaining tab or loosen beforehand.
      M6, feed line to retaining clip	Final torque	10 Nm
      Manually tighten feed line to high pressure pump, cylinder head and retaining tab or loosen beforehand.

      Fig 22: Identifying Fuel Delivery Line To High Pressure Pump

      Courtesy of BMW OF NORTH AMERICA, INC.
    • Tighten fuel delivery line (3) to high pressure pump. Tighten screws (4) to cylinder head.
      Fig 23: Identifying Fuel Delivery Line On High-Pressure Pump And Screws

      Courtesy of BMW OF NORTH AMERICA, INC.
      TIGHTENING TORQUE SPECIFICATIONS
      
      

      Feed line to high pressure pump, cylinder head, retaining clip
      M14, feed line to high pressure pump	Initial torque	10 Nm
      Manually tighten feed line to high pressure pump, cylinder head and retaining tab or loosen beforehand.	Final torque (retorque twice)	30 Nm
      M6, feed line to cylinder head	Final torque	10 Nm
      Manually tighten feed line to high pressure pump, cylinder head and retaining tab or loosen beforehand.
      M6, feed line to retaining clip	Final torque	10 Nm
      Manually tighten feed line to high pressure pump, cylinder head and retaining tab or loosen beforehand.

    • Tighten nuts (1) to retaining clips of the feed line (2).
      TIGHTENING TORQUE SPECIFICATIONS
      
      

      Feed line to high pressure pump, cylinder head, retaining clip
      M14, feed line to high pressure pump	Initial torque	10 Nm
      Manually tighten feed line to high pressure pump, cylinder head and retaining tab or loosen beforehand.	Final torque (retorque twice)	30 Nm
      M6, feed line to cylinder head	Final torque	10 Nm
      Manually tighten feed line to high pressure pump, cylinder head and retaining tab or loosen beforehand.
      M6, feed line to retaining clip	Final torque	10 Nm
      Manually tighten feed line to high pressure pump, cylinder head and retaining tab or loosen beforehand.

      Fig 24: Identifying Fuel Feed Line And Nuts

      Courtesy of BMW OF NORTH AMERICA, INC.

    Postprocesses 

14. Installing the clean air pipe on the left and right 
    NOTE: Description is for left component only. Procedure on the right side is identical.
    • Connect clean air pipe (3)  to exhaust turbocharger.
    • Tighten down screw (2)  .
      TIGHTENING TORQUE SPECIFICATIONS
      
      

      Clean air pipe to exhaust turbocharger
      M6	10 Nm

    • Connect hoses (1)  of clean air pipe.
      Fig 25: Identifying Clean-Air Pipe Hoses

      Courtesy of BMW OF NORTH AMERICA, INC.
15. Install left charge air line 
    • Check gasket on exhaust turbocharger and renew if necessary.
    • Install left charge air line (3)  .
    • Tighten clamp (2)  .
      TIGHTENING TORQUE SPECIFICATIONS
      
      

      Charge air line to charge air cooler
      Replace clamp	3.5 Nm

    • Tighten clamp (1)  .
      TIGHTENING TORQUE SPECIFICATIONS
      
      

      Charge air line to exhaust turbocharger
      Replace clamp	3.5 Nm

      Fig 26: Identifying Left Charge Air Line And Clamp

      Courtesy of BMW OF NORTH AMERICA, INC.
16. Install right charge air line 
    • Check gasket on exhaust turbocharger and renew if necessary.
    • Install right charge air line (3)  .
    • Tighten clamp (2)  .
      TIGHTENING TORQUE SPECIFICATIONS
      
      

      Charge air line to charge air cooler
      Replace clamp	3.5 Nm

    • Tighten clamp (1)  .
      TIGHTENING TORQUE SPECIFICATIONS
      
      

      Charge air line to exhaust turbocharger
      Replace clamp	3.5 Nm

      Fig 27: Identifying Right Charge Air Line And Clamps

      Courtesy of BMW OF NORTH AMERICA, INC.
17. Installing the left and right intake port 
    NOTE: Description is for left component only. Procedure on the right side is identical.
    • Attach intake hose (1)  .

      » Intake hose (1)  must be correctly engaged.

      Fig 28: Attaching Intake Hose

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    • Attach air intake hose left and right (2)  .
    • Fasten expanding rivet (1)  .
      Fig 29: Attaching Air Intake Hose Left And Right

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18. Install left intake silencer housing 
    • Connect intake silencer housing.
    • Attach clamp (3)  .
    • Connect connector (2)  on the hot film air mass meter.
    • Attach clamps (1)  .
      Fig 30: Installing Left Intake Silencer Housing

      Courtesy of BMW OF NORTH AMERICA, INC.
19. Connect battery earth lead 
    • Position intelligent battery sensor (2)  on the battery.
    • Tighten nut (1)  .
      TIGHTENING TORQUE SPECIFICATIONS
      
      

      Battery earth lead to battery
      M6	5 Nm

      Fig 31: Identifying Intelligent Battery Sensor

      Courtesy of BMW OF NORTH AMERICA, INC.
20. Check function of DME. 
21. Check fuel system for tightness 

    Check 

    • Check bolting points for tightness.

    desired state 

    • Result 

    » leaks

    Measure 

    • Slacken all screw connections and perform tightening sequence again.
22. Install the left tension strut on the spring strut dome 
    NOTE: Description is for right component only. The procedure on the left component is identical.
    • Position tension strut (2)  .
    • Tighten down screws (1)  .
      TIGHTENING TORQUE SPECIFICATIONS
      
      

      Tension strut to spring strut dome
      Renew screws	Jointing torque	19 Nm
      	Angle of rotation	90 °

      Fig 32: Identifying Tension Strut And Screws

      Courtesy of BMW OF NORTH AMERICA, INC.
23. Install left engine bulkhead 
    NOTE: Ensure correct fit!
    NOTE: Renew damaged expanding rivet.
    • Feed in left engine bulkhead (5)  .
    • Clip in connecting line (3)  .
      NOTE: Risk of damage! Observe different screw lengths.
    • Tighten down screws (2)  and (4)  .
    • Install expanding rivet (1)  .
      Fig 33: Identifying Left Engine Bulkhead And Down Screws

      Courtesy of BMW OF NORTH AMERICA, INC.
    • Feed in center engine bulkhead (3)  .
    • Tighten down screws (2)  and (4)  .
    • Install gasket (1)  for engine compartment lid.
      Fig 34: Identifying Engine Compartment Lid Gasket

      Courtesy of BMW OF NORTH AMERICA, INC.
24. Installing left microfilter housing cover 
    • Check the correct position of water channel (1)  in guide (2)  .
    • Check flap (3)  for ease of movement, clean of major dirt, if required.
      Fig 35: Identifying Water Channel Correct Position

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    • Position microfilter housing cover and lock screw caps (2)  .
    • Install edge protection (1)  in working area.
      Fig 36: Identifying Microfilter Housing Cover And Screw Caps

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25. Install acoustic cover 
    • Insert acoustic cover (1)  into existing rubber guides.
      Fig 37: Identifying Acoustic Cover

      Courtesy of BMW OF NORTH AMERICA, INC.
26. Installing the battery cover 
    • Install battery cover from above.
    • Tighten down screws (1).
      TIGHTENING TORQUE SPECIFICATIONS
      
      

      Battery cover on luggage compartment
      Sheet metal screw	3 Nm

    • Close the luggage compartment floor trim panel.
      Fig 38: Identifying Battery Cover Screws

      Courtesy of BMW OF NORTH AMERICA, INC.